May 1942. Several units of the Crimean Front troops, together with the city's residents, took shelter from the bombing in the Adzhimushkay quarries. A boy who, using neural network technologies, got into the past, faces a choice: find lost artifacts or help the defenders of the quarries. And he decides to share all the hardships of this life and, most importantly, to give hope to these people.

After getting fired from the police department, Roman Shilov wants to spend some time in personal affairs. But he gets a call from a wife of Michael Krasnov, who in past provided evidence, which helped to put into jail a dangerous killer. Now Nadya Krasnova tells Shilov that Michael has been kidnapped by unknown persons. Shilov goes to help his old friend and gets nvolved in the criminal events.